a. 1. stupid; as, a dopy kid. [ Colloq. ]
Syn. -- cloddish, doltish. [ PJC ]

2. [ affected by dope{ 2 }. ] dulled or stupefied by alcohol or narcotics; sluggish or dull as though under the influence of a narcotic. [ Slang ] [ Webster 1913 Suppl. + WordNet 1.5 +PJC ]

3. revealing stupidity; as, a dopey answer. [ wns=2 ]
Syn. -- anserine, dopey, fool(prenominal), foolish, goosey, goosy, gooselike. [ WordNet 1.5 ]